A nurse is reviewing the prescriptions for a newly admitted client who is to undergo cardiac testing. For which of the following procedures should the nurse verify that the client has given written informed consent?

Exercise ECG stress test

Electrocardiogram

CT scan without contrast dye

Echocardiogram

Answer and Explanation

The Correct Answer is A

A. Exercise ECG stress test: An exercise ECG stress test requires informed consent because it involves physical activity that may place stress on the heart and carries certain risks, such as inducing arrhythmias or other complications.

B. Electrocardiogram: An electrocardiogram (ECG or EKG) is a non-invasive, routine diagnostic test that does not require written informed consent.

C. CT scan without contrast dye: A CT scan without contrast dye is a standard imaging procedure that typically does not require written informed consent, unless there are specific risks or complications involved.

D. Echocardiogram: An echocardiogram is a non-invasive ultrasound test of the heart and does not require written informed consent under normal circumstances.

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Correct Answer is B

Explanation

A. "It usually takes at least 2 to 3 days for heparin to dissolve a clot." Heparin does not dissolve clots; it prevents the formation of new clots and stops existing clots from growing.

B. "Heparin prevents new clots from forming rather than dissolving established clots." Heparin's role is to prevent new clots from forming, not to dissolve existing clots. The body's natural fibrinolytic system will eventually break down the clot.

C. "The time it takes for heparin to dissolve a clot depends on the size of the clot." This is incorrect because heparin does not dissolve clots, regardless of their size.

D. "The time it takes heparin to dissolve clots varies between clients." This is incorrect as well, as heparin does not dissolve clots at all.

A. "Nitroglycerin dilates cardiac blood vessels to deliver more oxygen to the heart." B. "Nitroglycerin relieves nausea and prevents vomiting, which could lead to aspiration." C. "Nitroglycerin acts as a bronchodilator to open small airways and decrease shortness of breath." D. "Nitroglycerin decreases chest pain by dissolving blood clots that are occluding the arteries."

Correct Answer is A

Explanation

A. "Nitroglycerin dilates cardiac blood vessels to deliver more oxygen to the heart." Nitroglycerin works by dilating the coronary arteries, increasing blood flow and oxygen delivery to the heart muscle, thereby reducing angina.

B. "Nitroglycerin relieves nausea and prevents vomiting, which could lead to aspiration." Nitroglycerin does not have an antiemetic function or impact nausea and vomiting.

C. "Nitroglycerin acts as a bronchodilator to open small airways and decrease shortness of breath." Nitroglycerin is not a bronchodilator. It does not act on the airways but instead works on blood vessels.

D. "Nitroglycerin decreases chest pain by dissolving blood clots that are occluding the arteries." Nitroglycerin does not dissolve blood clots. Thrombolytic agents are used for clot dissolution, not nitroglycerin.

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A nurse is reviewing the prescriptions for a newly admitted client who is to undergo cardiac testing. For which of the following procedures should the nurse verify that the client has given written informed consent?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who has thrombophlebitis and is receiving a continuous infusion of heparin. The client asks the nurse how long it will take for the heparin to dissolve the clot. Which of the following responses should the nurse make?

Correct Answer is B

Explanation

nurse is caring for a client who is newly-admitted and has angina. The client asks the nurse, "Why am I taking nitroglycerin?" Which of the lowing responses should the nurse make?

Correct Answer is A

Explanation

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